/****************************************************************************
 *               platformbase.h
 *
 * This module contains all defines, typedefs, and prototypes for the
 * C++ interface of the abstract PlatformBase class.
 *
 * from Persistence of Vision(tm) Ray Tracer version 3.6.
 * Copyright 1991-2003 Persistence of Vision Team
 * Copyright 2003-2004 Persistence of Vision Raytracer Pty. Ltd.
 *---------------------------------------------------------------------------
 * NOTICE: This source code file is provided so that users may experiment
 * with enhancements to POV-Ray and to port the software to platforms other
 * than those supported by the POV-Ray developers. There are strict rules
 * regarding how you are permitted to use this file. These rules are contained
 * in the distribution and derivative versions licenses which should have been
 * provided with this file.
 *
 * These licences may be found online, linked from the end-user license
 * agreement that is located at http://www.povray.org/povlegal.html
 *---------------------------------------------------------------------------
 * This program is based on the popular DKB raytracer version 2.12.
 * DKBTrace was originally written by David K. Buck.
 * DKBTrace Ver 2.0-2.12 were written by David K. Buck & Aaron A. Collins.
 *---------------------------------------------------------------------------
 * $File: //depot/povray/3.6-release/source/base/platformbase.h $
 * $Revision: #2 $
 * $Change: 2939 $
 * $DateTime: 2004/07/05 03:43:26 $
 * $Author: root $
 * $Log$
 *****************************************************************************/

#ifndef PLATFORMBASE_H
#define PLATFORMBASE_H

#include "configbase.h"

#include "fileinputoutput.h"

BEGIN_POV_BASE_NAMESPACE

#define POV_PLATFORM_BASE PlatformBase::GetPlatformBaseReference()

class PlatformBase
{
	public:
		PlatformBase() { self = this; };
		virtual ~PlatformBase() { };

		virtual IStream *CreateIStream(const unsigned int stype) = 0;
		virtual OStream *CreateOStream(const unsigned int stype) = 0;

		static PlatformBase& GetPlatformBaseReference() { return *self; };
	private:
		static PlatformBase *self;
};

END_POV_BASE_NAMESPACE

#endif
